MILAN, Oct 15 (Reuters) - Italy"s Leonardo (LDOF.MI) said its former sub-contractor Manufacturing Processes Specification (MPS) (LDOF.MI) did not provide it with components for Airbus" (AIR.PA) programmes. Shares of the Italian state-controlled conglomerate fell more than 7% on Thursday after Boeing (BA.N) said parts supplied by Leonardo sourced from the sub-contractor had been improperly manufactured. MPS is listed as an Airbus approved supplier in a document available on the planemaker"s website. Leonardo shares were volatile on Friday on the Milan stock exchange. They were rising 1% at 1255 GMT, underperforming Italy"s blue-chip index FTSE MIB (.FTMIB), up 0.8%. (This story was corrected to clarify that Leonardo did not use components supplied by MPS for Airbus programmes)